Why pay dealer markup? Get genuine Mercury Marine quality at discount pricing. This **GROMMET** delivers OEM reliability with savings up to 20% below retail.

Designed and manufactured by Mercury Marine, this component ensures reliable operation across all engine RPM ranges. Part number 821555001 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Unlike aftermarket alternatives that fail within one season, genuine OEM part 821555001 delivers Mercury Marine’s legendary reliability. Factory-trained technicians trust this part because it meets the same stringent quality standards as your original equipment.

FITS: 100-175HP MARINER, MERCURY (DFI, EFI)

• Fits MARINER, MERCURY 100-175HP engines
• Compatible HP: 100HP, 110HP, 115HP, 125HP, 150HP, 175HP
• Model types: DFI, EFI
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP EFI (Mariner): 0P459572-2B059605, 1B366823-2B059605
• 100HP EFI (Mercury): 0P459572-2B059605, 1B366823-2B059605

110HP Models

• 110HP JET (Mercury)

115HP Models

• 115HP DFI (Mariner): 0T980000-1B226999, 1B227000-1B417701, 1B417702-1B736885
• 115HP DFI (Mercury): 0T801000-1B226999, 1B227000-1B417701, 1B417702-1B736885
• 115HP EFI (Mariner): 1B366823-2B059605
• 115HP EFI (Mercury): 1B366823-2B059605
• 115HP OUTBOARD (Mercury)

125HP Models

• 125HP DFI (Mariner)
• 125HP DFI (Mercury)

150HP Models

• 150HP OUTBOARD (Mercury)

175HP Models

• 175HP PROXS (Mercury)

Looking for your engine serial number? Our helpful guide shows you exactly where Mercury places serial numbers on different models.

Questions about part 821555001? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email.

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